This is a photograph of a malePediculus humanus var. capitis, a head louse. Head lice have become an increasing problem in schools and day care centers. Some grade schools have started programs to examine children for head lice.
Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.